package com.cw.jeeyt.handler;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.authentication.SimpleUrlAuthenticationFailureHandler;
import org.springframework.stereotype.Component;

import com.cw.lang.common.utils.GsonUtil;

/**
 * 登录验证失败处理类
 *
 * @author: chenw
 * @create: 2018-11-08 13:47
 */
@Component("myAuthenticationFailHander")
public class MyAuthenticationFailHander extends SimpleUrlAuthenticationFailureHandler {
    private Logger logger = LoggerFactory.getLogger(getClass());

    @Override
    public void onAuthenticationFailure(HttpServletRequest request, HttpServletResponse response,
        AuthenticationException exception) throws IOException {
        logger.info("登录失败");
        //以Json格式返回
        Map<String, String> map = new HashMap<>();
        map.put("code", "201");
        map.put("msg", "登录失败【{" + exception.getMessage() + "}】");
        response.setContentType("application/json");
        response.setCharacterEncoding("UTF-8");
        logger.info(GsonUtil.objectToJsonString(map));
        response.getWriter()
            .write(GsonUtil.objectToJsonString(map));

    }
}
